Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	83.42	83.86	83.42	83.85	1,272,119	+0.31(+0.38%)
Jan 30, 2012	83.55	83.72	83.49	83.53	1,463,430	+0.28(+0.34%)
Jan 27, 2012	83.12	83.28	82.98	83.25	974,650	+0.25(+0.30%)
Jan 26, 2012	82.78	83.05	82.78	83.00	1,339,739	+0.44(+0.53%)
Jan 25, 2012	82.12	83.03	82.08	82.56	1,459,244	+0.39(+0.48%)
Jan 24, 2012	82.16	82.16	81.94	82.16	1,762,744	+0.09(+0.12%)
Jan 23, 2012	82.01	82.15	81.90	82.07	932,066	-0.18(-0.22%)
Jan 20, 2012	82.38	82.51	82.23	82.25	826,168	-0.28(-0.34%)
Jan 19, 2012	82.86	82.92	82.44	82.53	2,015,536	-0.50(-0.60%)
Jan 18, 2012	83.41	83.41	82.99	83.03	577,987	-0.26(-0.31%)
Jan 17, 2012	83.17	83.34	83.16	83.29	1,470,554	+0.08(+0.09%)
Jan 13, 2012	83.24	83.40	83.19	83.21	703,465	+0.37(+0.45%)
Jan 12, 2012	82.97	83.01	82.75	82.84	869,869	-0.17(-0.21%)
Jan 11, 2012	82.75	83.04	82.75	83.01	1,182,948	+0.48(+0.58%)
Jan 10, 2012	82.48	82.69	82.44	82.53	2,077,647	-0.17(-0.20%)
Jan 09, 2012	82.64	82.90	82.61	82.70	482,323	+0.02(+0.02%)
Jan 06, 2012	82.46	82.73	82.46	82.68	1,267,539	+0.32(+0.39%)
Jan 05, 2012	82.42	82.69	82.31	82.36	1,665,169	+0.02(+0.02%)
Jan 04, 2012	82.60	82.62	82.25	82.35	2,271,747	-0.79(-0.95%)
Dec 30, 2011	82.95	83.50	82.84	83.13	1,561,884	+0.29(+0.35%)
Dec 29, 2011	82.71	82.94	82.61	82.84	705,982	+0.10(+0.12%)
Dec 28, 2011	82.35	82.83	82.32	82.74	1,168,104	+0.52(+0.63%)
Dec 27, 2011	82.23	82.24	82.09	82.22	782,808	+0.05(+0.06%)
Dec 23, 2011	82.31	82.36	82.05	82.17	553,949	-0.24(-0.29%)
Dec 21, 2011	82.79	82.83	82.40	82.41	609,372	-0.27(-0.32%)
Dec 20, 2011	83.08	83.08	82.68	82.68	1,736,455	-0.75(-0.90%)
Dec 19, 2011	83.12	83.46	83.07	83.43	1,433,148	+0.28(+0.34%)
Dec 16, 2011	82.87	83.24	82.87	83.15	952,488	+0.40(+0.48%)
Dec 15, 2011	82.57	82.83	82.55	82.75	1,232,577	-0.07(-0.09%)
Dec 14, 2011	82.55	82.83	82.46	82.82	966,895	+0.35(+0.42%)
Dec 13, 2011	81.94	82.54	81.87	82.47	651,977	+0.38(+0.46%)
Dec 12, 2011	82.12	82.28	82.04	82.09	1,359,856	+0.28(+0.35%)
Dec 09, 2011	82.31	82.35	81.81	81.81	1,222,631	-0.57(-0.69%)
Dec 08, 2011	81.93	82.38	81.84	82.38	837,334	+0.42(+0.51%)
Dec 07, 2011	81.76	82.02	81.68	81.96	940,438	+0.37(+0.45%)
Dec 06, 2011	81.57	81.76	81.47	81.59	690,803	-0.21(-0.26%)
Dec 05, 2011	81.41	81.91	81.41	81.80	1,245,570	-0.05(-0.06%)
Dec 02, 2011	81.35	81.88	81.33	81.85	1,135,291	+0.36(+0.44%)
Dec 01, 2011	81.36	81.65	81.19	81.49	1,306,646	-0.02(-0.03%)
Nov 30, 2011	81.61	81.75	81.44	81.51	1,227,147	-0.48(-0.58%)
Nov 29, 2011	81.90	82.19	81.69	81.99	767,395	-0.16(-0.19%)
Nov 28, 2011	81.56	82.25	81.53	82.15	1,639,968	+0.01(+0.01%)
Nov 25, 2011	82.36	82.36	82.12	82.14	594,836	-0.53(-0.64%)
Nov 23, 2011	82.20	82.71	82.15	82.67	2,790,774	+0.28(+0.34%)
Nov 22, 2011	82.21	82.40	82.03	82.38	3,338,878	+0.25(+0.30%)
Nov 21, 2011	82.18	82.30	82.09	82.14	882,149	+0.23(+0.28%)
Nov 18, 2011	82.07	82.15	81.79	81.90	2,400,254	-0.31(-0.37%)
Nov 17, 2011	81.91	82.38	81.85	82.21	1,026,706	+0.16(+0.20%)
Nov 16, 2011	81.99	82.06	81.78	82.05	427,192	+0.30(+0.36%)
Nov 15, 2011	81.90	82.12	81.66	81.75	611,911	-0.11(-0.13%)
Nov 14, 2011	81.65	81.91	81.61	81.86	747,581	+0.51(+0.63%)
Nov 11, 2011	81.50	81.52	81.26	81.35	412,438	-0.38(-0.46%)
Nov 10, 2011	81.79	82.01	81.47	81.72	846,549	-0.40(-0.49%)
Nov 09, 2011	82.08	82.29	81.41	82.12	969,013	+0.72(+0.89%)
Nov 08, 2011	81.68	81.90	81.35	81.40	533,164	-0.37(-0.45%)
Nov 07, 2011	81.63	82.10	81.57	81.77	1,075,892	+0.09(+0.12%)
Nov 04, 2011	81.45	81.76	81.40	81.68	937,299	+0.24(+0.30%)
Nov 03, 2011	81.43	81.72	81.36	81.43	942,747	-0.38(-0.47%)
Nov 02, 2011	81.51	81.90	81.45	81.82	1,386,780	-0.20(-0.24%)

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